Who ranks #1 on the Arena Search Elo leaderboard?
As of August 20, 2026, Claude Opus 4.6 by Anthropic ranks #1 on Arena Search Elo at 1253. API pricing is $5.00/M input and $25.00/M output.
As of August 20, 2026, Claude Opus 4.6 is #1 for Arena Search Elo at 1253. Ranked by the Arena Search Elo score 23 models in this index have a published Arena Search Elo score. Arena Search Elo leaderboard with live API prices. Arena Search Elo — blind pairwise preference rating from Arena.ai search battles.
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As of August 20, 2026, Claude Opus 4.6 by Anthropic is #1 for Arena Search Elo at 1253. Ranked by the Arena Search Elo score This board also tracks Arena Search Elo. Next on the same board: GPT-5.5 and Claude Fable 5. This arena search elo leaderboard ranks models by Arena Search Elo. Scores come from public evals. Prices are the live API rates in the table above.
Sources: OpenAI API pricing (https://developers.openai.com/api/docs/pricing); Anthropic Claude API pricing (https://platform.claude.com/docs/en/about-claude/pricing); Gemini API pricing (https://ai.google.dev/gemini-api/docs/pricing)
| Rank | Model | Arena Search Elo | Input /M | Output /M |
|---|---|---|---|---|
| 1 | Claude Opus 4.6 | 1253 | $5.00 | $25.00 |
| 2 | GPT-5.5 | 1240 | $5.00 | $30.00 |
| 3 | Claude Fable 5 | 1237 | $10.00 | $50.00 |
| 4 | Claude Opus 4.7 | 1233 | $5.00 | $25.00 |
| 5 | Claude Sonnet 4.6 | 1221 | $3.00 | $15.00 |
| 6 | Gemini 3.1 Pro | 1212 | $2.50 | $15.00 |
| 7 | Gemini 3 Pro | 1207 | $2.00 | $12.00 |
| 8 | GPT-5.2 | 1206 | $1.75 | $14.00 |
Rank one eval at a time. All LLM benchmarks.
As of August 20, 2026, Claude Opus 4.6 by Anthropic ranks #1 on Arena Search Elo at 1253. API pricing is $5.00/M input and $25.00/M output.
The current Arena Search Elo ranking as of August 20, 2026 is 1. Claude Opus 4.6 at 1253; 2. GPT-5.5 at 1240; 3. Claude Fable 5 at 1237.
Grok 4 Fast is the cheapest scored model on this arena search elo leaderboard at $0.20/M input and $0.50/M output ($0.70 blended). Claude Opus 4.6 still leads Arena Search Elo at 1253.
Not automatically. Claude Opus 4.6 leads Arena Search Elo, but a cheaper scored model can be the better production choice if the quality gap is small. Use the table to weigh Arena Search Elo against input/output price, context window, and related evals.
Scores and API prices on this page are refreshed from published evals and provider rates. The snapshot is labeled August 20, 2026. Treat it as a current index, not a one-off blog post.
Arena Search Elo — blind pairwise preference rating from Arena.ai search battles. This page ranks models that have published a Arena Search Elo score, with live API token prices on the same row.
This page is the Arena Search Elo leaderboard. Models are sorted by Arena Search Elo, with input and output token prices on the same row so you can weigh score against cost. Official boards often omit price; that comparison is the point of this index.
Official eval pages own the methodology. This page keeps the published Arena Search Elo score next to live API $/M so you can pick a production SKU, not only a trophy number.